Multitype

Multitype changes the ability-bearer's type if it is holding one of the Type Plate items. Moves of the corresponding type receive STAB.

The moves Gastro Acid, Role Play, Skill Swap, Worry Seed or the ability Trace do not affect a Pokémon with Multitype.

The moves Covet, Knock Off, Switcheroo and Thief cannot remove Plates from a Pokémon with Multitype, but they can remove any other item.

The Plates are:

In Generation 4 the moves Covet, Knock Off, Switcheroo and Thief (all of which remove items) do not affect Pokémon with Multitype.

Game descriptions

Diamond
Pearl
Platinum
HeartGold
SoulSilver
Changes type to match the held Plate.
Black
White
Black 2
White 2
Changes type to match the held Plate.
X
Y
O.Ruby
A.Sapphire
Changes the Pokémon’s type to match the Plate it holds.
Sun
Moon
Ultra Sun
Ultra Moon
Changes the Pokémon’s type to match the Plate or Z-Crystal it holds.
Sword
Shield
Changes the Pokémon’s type to match the Plate or Z-Crystal it holds.
B.Diamond
S.Pearl
Changes the Pokémon’s type to match the Plate it holds.

Other languages

EnglishMultitype
SpanishMultitipo
ItalianMultitipo
Japaneseマルチタイプ (Multitype)
GermanVariabilität
FrenchMultitype